[ 20.390919][ T3637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.398203][ T3637] eql: remember to turn off Van-Jacobson compression on your slave devices [ 20.443983][ T148] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 20.448132][ T1954] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.136' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 44.708089][ T1529] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 44.948052][ T1529] usb 1-1: Using ep0 maxpacket: 16 [ 45.228377][ T1529] usb 1-1: New USB device found, idVendor=2040, idProduct=c0a0, bcdDevice= 9.80 [ 45.230385][ T1529] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 45.232227][ T1529] usb 1-1: Product: syz [ 45.233152][ T1529] usb 1-1: Manufacturer: syz [ 45.234203][ T1529] usb 1-1: SerialNumber: syz [ 45.238618][ T1529] usb 1-1: config 0 descriptor?? [ 45.280544][ T1529] smsusb:smsusb_probe: board id=8, interface number 0 [ 45.282191][ T1529] ------------[ cut here ]------------ [ 45.283385][ T1529] WARNING: CPU: 1 PID: 1529 at kernel/workqueue.c:3083 __flush_work+0x1b4/0x1c0 [ 45.285426][ T1529] Modules linked in: [ 45.286296][ T1529] CPU: 1 PID: 1529 Comm: kworker/1:2 Not tainted 5.15.103-syzkaller #0 [ 45.288124][ T1529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 45.290407][ T1529] Workqueue: usb_hub_wq hub_event [ 45.291566][ T1529] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.293338][ T1529] pc : __flush_work+0x1b4/0x1c0 [ 45.294439][ T1529] lr : __flush_work+0x1b0/0x1c0 [ 45.295611][ T1529] sp : ffff800020bf65e0 [ 45.296525][ T1529] x29: ffff800020bf6710 x28: 0000000000000000 x27: ffff800020bf6848 [ 45.298437][ T1529] x26: 0000000000000001 x25: 1fffe00019ce981d x24: dfff800000000000 [ 45.300204][ T1529] x23: ffff70000417ecbc x22: ffff0000ce74c100 x21: ffff800020bf6600 [ 45.301964][ T1529] x20: 0000000000000001 x19: ffff0000ce74c0e8 x18: 0000000000000001 [ 45.303809][ T1529] x17: ff808000083386a0 x16: ffff8000082eebe4 x15: ffff80000bfdb9d4 [ 45.305691][ T1529] x14: ffff80000bfe5fb0 x13: ffffffffffffffff x12: 0000000000000000 [ 45.307498][ T1529] x11: ff8080000820a930 x10: 0000000000000000 x9 : ffff80000820a930 [ 45.309285][ T1529] x8 : ffff0000ccb71ac0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.311211][ T1529] x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 [ 45.313094][ T1529] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.314931][ T1529] Call trace: [ 45.315687][ T1529] __flush_work+0x1b4/0x1c0 [ 45.316747][ T1529] __cancel_work_timer+0x3ec/0x548 [ 45.317910][ T1529] cancel_work_sync+0x24/0x38 [ 45.318968][ T1529] smsusb_term_device+0x98/0x1cc [ 45.320131][ T1529] smsusb_probe+0xcb8/0x1a0c [ 45.321194][ T1529] usb_probe_interface+0x500/0x984 [ 45.322380][ T1529] really_probe+0x26c/0xaec [ 45.323443][ T1529] __driver_probe_device+0x1bc/0x3f8 [ 45.324661][ T1529] driver_probe_device+0x78/0x34c [ 45.326011][ T1529] __device_attach_driver+0x28c/0x4d8 [ 45.327411][ T1529] bus_for_each_drv+0x158/0x1e0 [ 45.328418][ T1529] __device_attach+0x2f0/0x480 [ 45.329518][ T1529] device_initial_probe+0x24/0x34 [ 45.330697][ T1529] bus_probe_device+0xbc/0x1c8 [ 45.331843][ T1529] device_add+0xae0/0xef4 [ 45.332869][ T1529] usb_set_configuration+0x15e0/0x1b60 [ 45.334109][ T1529] usb_generic_driver_probe+0x8c/0x148 [ 45.335320][ T1529] usb_probe_device+0x120/0x25c [ 45.336363][ T1529] really_probe+0x26c/0xaec [ 45.337363][ T1529] __driver_probe_device+0x1bc/0x3f8 [ 45.338535][ T1529] driver_probe_device+0x78/0x34c [ 45.339658][ T1529] __device_attach_driver+0x28c/0x4d8 [ 45.340906][ T1529] bus_for_each_drv+0x158/0x1e0 [ 45.341997][ T1529] __device_attach+0x2f0/0x480 [ 45.343051][ T1529] device_initial_probe+0x24/0x34 [ 45.344159][ T1529] bus_probe_device+0xbc/0x1c8 [ 45.345287][ T1529] device_add+0xae0/0xef4 [ 45.346261][ T1529] usb_new_device+0x8fc/0x1448 [ 45.347413][ T1529] hub_event+0x22e4/0x48c4 [ 45.348436][ T1529] process_one_work+0x84c/0x14b8 [ 45.349632][ T1529] worker_thread+0x910/0x1034 [ 45.350706][ T1529] kthread+0x37c/0x45c [ 45.351642][ T1529] ret_from_fork+0x10/0x20 [ 45.352654][ T1529] irq event stamp: 66926 [ 45.353657][ T1529] hardirqs last enabled at (66925): [] __cancel_work_timer+0x3b0/0x548 [ 45.355994][ T1529] hardirqs last disabled at (66926): [] el1_dbg+0x24/0x80 [ 45.358012][ T1529] softirqs last enabled at (66062): [] __do_softirq+0xcc4/0xf60 [ 45.360153][ T1529] softirqs last disabled at (66051): [] __irq_exit_rcu+0x28c/0x534 [ 45.362386][ T1529] ---[ end trace 2d32e2bae46044b3 ]--- [ 45.364001][ T1529] ------------[ cut here ]------------ [ 45.365304][ T1529] WARNING: CPU: 1 PID: 1529 at kernel/workqueue.c:3083 __flush_work+0x1b4/0x1c0 [ 45.367295][ T1529] Modules linked in: [ 45.368126][ T1529] CPU: 1 PID: 1529 Comm: kworker/1:2 Tainted: G W 5.15.103-syzkaller #0 [ 45.370312][ T1529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 45.372597][ T1529] Workqueue: usb_hub_wq hub_event [ 45.373752][ T1529] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.375549][ T1529] pc : __flush_work+0x1b4/0x1c0 [ 45.376625][ T1529] lr : __flush_work+0x1b0/0x1c0 [ 45.377751][ T1529] sp : ffff800020bf65e0 [ 45.378745][ T1529] x29: ffff800020bf6710 x28: 0000000000000000 x27: ffff800020bf6848 [ 45.380653][ T1529] x26: 0000000000000001 x25: 1fffe00019ce9841 x24: dfff800000000000 [ 45.382470][ T1529] x23: ffff70000417ecbc x22: ffff0000ce74c220 x21: ffff800020bf6600 [ 45.384349][ T1529] x20: 0000000000000001 x19: ffff0000ce74c208 x18: 0000000000000001 [ 45.386133][ T1529] x17: ff808000083386a0 x16: ffff8000082eebe4 x15: ffff80000bfdb9d4 [ 45.388003][ T1529] x14: ffff80000bfe5fb0 x13: ffffffffffffffff x12: 0000000000000000 [ 45.389855][ T1529] x11: ff8080000820a930 x10: 0000000000000000 x9 : ffff80000820a930 [ 45.391590][ T1529] x8 : ffff0000ccb71ac0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.393406][ T1529] x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 [ 45.395125][ T1529] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.396967][ T1529] Call trace: [ 45.397725][ T1529] __flush_work+0x1b4/0x1c0 [ 45.398815][ T1529] __cancel_work_timer+0x3ec/0x548 [ 45.399969][ T1529] cancel_work_sync+0x24/0x38 [ 45.401043][ T1529] smsusb_term_device+0x98/0x1cc [ 45.402207][ T1529] smsusb_probe+0xcb8/0x1a0c [ 45.403284][ T1529] usb_probe_interface+0x500/0x984 [ 45.404382][ T1529] really_probe+0x26c/0xaec [ 45.405388][ T1529] __driver_probe_device+0x1bc/0x3f8 [ 45.406608][ T1529] driver_probe_device+0x78/0x34c [ 45.407707][ T1529] __device_attach_driver+0x28c/0x4d8 [ 45.408965][ T1529] bus_for_each_drv+0x158/0x1e0 [ 45.410012][ T1529] __device_attach+0x2f0/0x480 [ 45.411112][ T1529] device_initial_probe+0x24/0x34 [ 45.412277][ T1529] bus_probe_device+0xbc/0x1c8 [ 45.413402][ T1529] device_add+0xae0/0xef4 [ 45.414391][ T1529] usb_set_configuration+0x15e0/0x1b60 [ 45.415640][ T1529] usb_generic_driver_probe+0x8c/0x148 [ 45.416978][ T1529] usb_probe_device+0x120/0x25c [ 45.418090][ T1529] really_probe+0x26c/0xaec [ 45.419138][ T1529] __driver_probe_device+0x1bc/0x3f8 [ 45.420337][ T1529] driver_probe_device+0x78/0x34c [ 45.421483][ T1529] __device_attach_driver+0x28c/0x4d8 [ 45.422738][ T1529] bus_for_each_drv+0x158/0x1e0 [ 45.423865][ T1529] __device_attach+0x2f0/0x480 [ 45.424974][ T1529] device_initial_probe+0x24/0x34 [ 45.426178][ T1529] bus_probe_device+0xbc/0x1c8 [ 45.427256][ T1529] device_add+0xae0/0xef4 [ 45.428220][ T1529] usb_new_device+0x8fc/0x1448 [ 45.429312][ T1529] hub_event+0x22e4/0x48c4 [ 45.430289][ T1529] process_one_work+0x84c/0x14b8 [ 45.431488][ T1529] worker_thread+0x910/0x1034 [ 45.432603][ T1529] kthread+0x37c/0x45c [ 45.433545][ T1529] ret_from_fork+0x10/0x20 [ 45.434516][ T1529] irq event stamp: 66962 [ 45.435484][ T1529] hardirqs last enabled at (66961): [] __cancel_work_timer+0x3b0/0x548 [ 45.437646][ T1529] hardirqs last disabled at (66962): [] el1_dbg+0x24/0x80 [ 45.439785][ T1529] softirqs last enabled at (66958): [] __do_softirq+0xcc4/0xf60 [ 45.441893][ T1529] softirqs last disabled at (66929): [] __irq_exit_rcu+0x28c/0x534 [ 45.444056][ T1529] ---[ end trace 2d32e2bae46044b4 ]--- [ 45.445459][ T1529] ------------[ cut here ]------------ [ 45.446700][ T1529] WARNING: CPU: 1 PID: 1529 at kernel/workqueue.c:3083 __flush_work+0x1b4/0x1c0 [ 45.448725][ T1529] Modules linked in: [ 45.449664][ T1529] CPU: 1 PID: 1529 Comm: kworker/1:2 Tainted: G W 5.15.103-syzkaller #0 [ 45.451957][ T1529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 45.454325][ T1529] Workqueue: usb_hub_wq hub_event [ 45.455508][ T1529] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.457364][ T1529] pc : __flush_work+0x1b4/0x1c0 [ 45.458499][ T1529] lr : __flush_work+0x1b0/0x1c0 [ 45.459555][ T1529] sp : ffff800020bf65e0 [ 45.460547][ T1529] x29: ffff800020bf6710 x28: 0000000000000000 x27: ffff800020bf6848 [ 45.462383][ T1529] x26: 0000000000000001 x25: 1fffe00019ce9865 x24: dfff800000000000 [ 45.464256][ T1529] x23: ffff70000417ecbc x22: ffff0000ce74c340 x21: ffff800020bf6600 [ 45.466155][ T1529] x20: 0000000000000001 x19: ffff0000ce74c328 x18: 0000000000000001 [ 45.468000][ T1529] x17: ff808000083386a0 x16: ffff8000082eebe4 x15: ffff80000bfdb9d4 [ 45.469849][ T1529] x14: ffff80000bfe5fb0 x13: ffffffffffffffff x12: 0000000000000000 [ 45.471695][ T1529] x11: ff8080000820a930 x10: 0000000000000000 x9 : ffff80000820a930 [ 45.473516][ T1529] x8 : ffff0000ccb71ac0 x7 : 0000000000000000 x6 : 000000000000003f [ 45.475357][ T1529] x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000020 [ 45.477216][ T1529] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 45.479079][ T1529] Call trace: [ 45.479864][ T1529] __flush_work+0x1b4/0x1c0 [ 45.480943][ T1529] __cancel_work_timer+0x3ec/0x548 [ 45.482138][ T1529] cancel_work_sync+0x24/0x38 [ 45.483217][ T1529] smsusb_term_device+0x98/0x1cc [ 45.484383][ T1529] smsusb_probe+0xcb8/0x1a0c [ 45.485431][ T1529] usb_probe_interface+0x500/0x984 [ 45.486619][ T1529] really_probe+0x26c/0xaec [ 45.487682][ T1529] __driver_probe_device+0x1bc/0x3f8 [ 45.488923][ T1529] driver_probe_device+0x78/0x34c [ 45.490062][ T1529] __device_attach_driver+0x28c/0x4d8 [ 45.491304][ T1529] bus_for_each_drv+0x158/0x1e0 [ 45.492396][ T1529] __device_attach+0x2f0/0x480 [ 45.493487][ T1529] device_initial_probe+0x24/0x34 [ 45.494663][ T1529] bus_probe_device+0xbc/0x1c8 [ 45.495754][ T1529] device_add+0xae0/0xef4 [ 45.496835][ T1529] usb_set_configuration+0x15e0/0x1b60 [ 45.498120][ T1529] usb_generic_driver_probe+0x8c/0x148 [ 45.499433][ T1529] usb_probe_device+0x120/0x25c [ 45.500533][ T1529] really_probe+0x26c/0xaec [ 45.501573][ T1529] __driver_probe_device+0x1bc/0x3f8 [ 45.502766][ T1529] driver_probe_device+0x78/0x34c [ 45.503885][ T1529] __device_attach_driver+0x28c/0x4d8 [ 45.505062][ T1529] bus_for_each_drv+0x158/0x1e0 [ 45.506236][ T1529] __device_attach+0x2f0/0x480 [ 45.507401][ T1529] device_initial_probe+0x24/0x34 [ 45.508451][ T1529] bus_probe_device+0xbc/0x1c8 [ 45.509515][ T1529] device_add+0xae0/0xef4 [ 45.510493][ T1529] usb_new_device+0x8fc/0x1448 [ 45.511634][ T1529] hub_event+0x22e4/0x48c4 [ 45.512690][ T1529] process_one_work+0x84c/0x14b8 [ 45.513935][ T1529] worker_thread+0x910/0x1034 [ 45.514969][ T1529] kthread+0x37c/0x45c [ 45.515899][ T1529] ret_from_fork+0x10/0x20 [ 45.516980][ T1529] irq event stamp: 66986 [ 45.517945][ T1529] hardirqs last enabled at (66985): [] __cancel_work_timer+0x3b0/0x548 [ 45.520289][ T1529] hardirqs last disabled at (66986): [] el1_dbg+0x24/0x80 [ 45.522234][ T1529] softirqs last enabled at (66982): [] __do_softirq+0xcc4/0xf60 [ 45.524409][ T1529] softirqs last disabled at (66965): [] __irq_exit_rcu+0x28c/0x534 [ 45.526571][ T1529] ---[ end trace 2d32e2bae46044b5 ]--- [ 45.530230][ T1529] ------------[ cut here ]------------ [ 45.531506][ T1529] WARNING: CPU: 1 PID: 1529 at kernel/workqueue.c:3083 __flush_work+0x1b4/0x1c0 [ 45.533481][ T1529] Modules linked in: [ 45.534423][ T1529] CPU: 1 PID: 1529 Comm: kworker/1:2 Tainted: G W 5.15.103-syzkaller #0 [ 45.536543][ T1529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 45.538823][ T1529] Workqueue: usb_hub_wq hub_event [ 45.539989][ T1529] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 45.541811][ T1529] pc : __flush_work+0x1b4/0x1c0 [ 45.542933][ T1529] lr : __flush_work+0x1b0/0x1c0 [ 45.544070][ T1529] sp : ffff800020bf65e0 [ 45.545015][ T1529] x29: ffff800020bf6710 x28: 0000000000000000 x27: ffff800020bf6848 [ 45.546861][ T1529] x26: 0000000000000001 x25: 1fffe00019ce9889 x24: dfff800000000000 [ 45.548704][ T1529] x23: ffff70000417ecbc x22: ffff0000ce74c460 x21: ffff800020b